Locking device



FIG. 1 is a rear top left perspective view of a locking device, showingmy new design therefor;

FIG. 2 is a front top left perspective view thereof;

FIG. 3 is a rear top left perspective view thereof, with a tabbedportion thereof shown in an engaged position;

FIG. 4 is a front top left perspective view of the position of FIG. 1;

FIG. 5 is a rear top left perspective view of the locking device in afurther use position; and,

FIG. 6 is a front top left perspective view of the device in the useposition of FIG. 5.

The ornamental design for a locking device, as shown and described.